csg_wall_velocity_gate Namespace Reference

Functions
	solver ()
	run (kind, moving)

Variables
	L
	NY
	U
	NU
	DT
	KI_I
	KI_R
	OFF
	WX
int	STEPS = 100
tuple	HW = (L - 2 * WX) / 2
tuple	CASES = (("sphere0+duct1", True), ("duct0+sphere1", True)) if len(sys.argv) > 1 else (("difference", True), ("difference", False), ("four-box", True))
	r = run(kind, moving)

Detailed Description

Does a MOVING CSG instance carry its wall velocity? A plug flow at U inside a square duct whose
walls translate at +U has zero shear everywhere and must keep its mean velocity EXACTLY; the same
plug against walls at rest loses momentum to the growing wall layers (~45% in 100 steps at these
numbers). Three ducts: a box-DIFFERENCE instance moving, the same at rest (control), and four
plain box-leaf instances moving.

Usage: PYTHONPATH=<flow build> python csg_wall_velocity_gate.py

Function Documentation

solver()

csg_wall_velocity_gate.solver

(

)

Definition at line 21 of file csg_wall_velocity_gate.py.

run()

csg_wall_velocity_gate.run	(		kind,
			moving
	)

Definition at line 29 of file csg_wall_velocity_gate.py.

Variable Documentation

L

csg_wall_velocity_gate.L

Definition at line 13 of file csg_wall_velocity_gate.py.

NY

csg_wall_velocity_gate.NY

Definition at line 13 of file csg_wall_velocity_gate.py.

U

csg_wall_velocity_gate.U

Definition at line 14 of file csg_wall_velocity_gate.py.

NU

csg_wall_velocity_gate.NU

Definition at line 14 of file csg_wall_velocity_gate.py.

DT

csg_wall_velocity_gate.DT

Definition at line 14 of file csg_wall_velocity_gate.py.

KI_I

csg_wall_velocity_gate.KI_I

Definition at line 15 of file csg_wall_velocity_gate.py.

KI_R

csg_wall_velocity_gate.KI_R

Definition at line 15 of file csg_wall_velocity_gate.py.

OFF

csg_wall_velocity_gate.OFF

Definition at line 16 of file csg_wall_velocity_gate.py.

WX

csg_wall_velocity_gate.WX

Definition at line 16 of file csg_wall_velocity_gate.py.

STEPS

int csg_wall_velocity_gate.STEPS = 100

Definition at line 17 of file csg_wall_velocity_gate.py.

HW

tuple csg_wall_velocity_gate.HW = (L - 2 * WX) / 2

Definition at line 18 of file csg_wall_velocity_gate.py.

CASES

tuple csg_wall_velocity_gate.CASES = (("sphere0+duct1", True), ("duct0+sphere1", True)) if len(sys.argv) > 1 else (("difference", True), ("difference", False), ("four-box", True))

Definition at line 85 of file csg_wall_velocity_gate.py.

r

csg_wall_velocity_gate.r = run(kind, moving)

Definition at line 87 of file csg_wall_velocity_gate.py.